c8a496dcf94d5d246dec0747f139957709b63412f48d9a1591ca5e771a988636

Analysis

max time kernel
121s
max time network
147s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04-07-2024 17:59

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General

Target

shrek.exe
Size

1.3MB
MD5

95462c3241a0da037ed1dddfbefb3212
SHA1

2fc2bdbb697e8738fd8e310868fc7f10efcadd31
SHA256

24cb8619b1e699e2a85aba8d2690e5649e9de525f7967676823f397c9c8e5da8
SHA512

8deafbce2397061abfa73c70b4be0c96d5cddf7d43cfedd86f6a3539d260548207db21b9b55c6bbdce9fc4902e8ab5e1f383f0285b0a66fb7360d6d5adf9e1d7
SSDEEP

24576:ICdxte/80jYLT3U1jfsWarVlDuNb+5KpcFaQ:Bw80cTsjkWarXuNbKD

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
5	2312	rundll32.exe
7	2312	rundll32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\GameUX	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\GameUX\OOBGameInstalled = "1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\GameUX\ServiceLocation	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
856	shrek.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 856 wrote to memory of 2312	856	shrek.exe	28
PID 856 wrote to memory of 2312	856	shrek.exe	28
PID 856 wrote to memory of 2312	856	shrek.exe	28
PID 856 wrote to memory of 2312	856	shrek.exe	28
PID 856 wrote to memory of 2312	856	shrek.exe	28
PID 856 wrote to memory of 2312	856	shrek.exe	28
PID 856 wrote to memory of 2312	856	shrek.exe	28

C:\Users\Admin\AppData\Local\Temp\shrek.exe
"C:\Users\Admin\AppData\Local\Temp\shrek.exe"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:856
- C:\Windows\SysWOW64\rundll32.exe
  C:\Windows\system32\rundll32.exe C:\Windows\system32\gameux.dll,GameUXShim {20417d74-a335-47c3-a23c-b9c6ff905622};C:\Users\Admin\AppData\Local\Temp\shrek.exe;856
  2⤵
  - Blocklisted process makes network request
  - Modifies registry class
  PID:2312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\button.png

Filesize
1.5MB

MD5
0be7510d1b3d8032fd17a79ca33e330d

SHA1
ec07eaf88860c8846e000b961bb4878b9a389636

SHA256
3fb9f1f7d191ef48b38a100358af3b686747d8c1d60659a25212e26bb8960524

SHA512
2f9046fc1336ecfba6029761cff029a1e1bff1dfec2c9335a402b68c1a50aa68810fe45a04a42532cdfff30cb84d65073ccff9800e5de4bd7f4eb5d9541efeba

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